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English definition of “smallpox”

smallpox

noun [U]     /ˈsmɔːl.pɒks/ US  /ˈsmɑːl.pɑːks/
an extremely infectious disease that causes a fever, spots on the skin, and often deathFevers and infectious diseasesColds and flu
(Definition of smallpox noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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